_C.cpython-38-x86_64-linux-gnu.so：未定义符号：_ZN6caffe28TypeMeta21_typeMetaDataInstanceIdEEPK​​NS_6detail12TypeMetaDataEv

编程问答 2022-05-11

问题描述

此错误的原因是什么，我该如何解决？我正在运行此存储库中的代码：https://github.com/facebookresearch/frankmocap

(frank) mona@goku:~/research/code/frankmocap$ python -m demo.demo_frankmocap --input_path ./sample_data/han_short.mp4 --out_dir ./mocap_output
Traceback (most recent call last):
  File "/usr/lib/python3.8/runpy.py",line 194,in _run_module_as_main
    return _run_code(code,main_globals,None,File "/usr/lib/python3.8/runpy.py",line 87,in _run_code
    exec(code,run_globals)
  File "/home/mona/research/code/frankmocap/demo/demo_frankmocap.py",line 25,in <module>
    from handmocap.hand_bBox_detector import HandBBoxDetector
  File "/home/mona/research/code/frankmocap/handmocap/hand_bBox_detector.py",line 33,in <module>
    from detectors.hand_object_detector.lib.model.roi_layers import nms # might raise segmentation fault at the end of program
  File "/home/mona/research/code/frankmocap/detectors/hand_object_detector/lib/model/roi_layers/__init__.py",line 3,in <module>
    from .nms import nms
  File "/home/mona/research/code/frankmocap/detectors/hand_object_detector/lib/model/roi_layers/nms.py",in <module>
    from model import _C
ImportError: /home/mona/research/code/frankmocap/detectors/hand_object_detector/lib/model/_C.cpython-38-x86_64-linux-gnu.so: undefined symbol: _ZN6caffe28TypeMeta21_typeMetaDataInstanceIdEEPKNS_6detail12TypeMetaDataEv

我有：

$ lsb_release -a
LSB Version:    core-11.1.0ubuntu2-noarch:security-11.1.0ubuntu2-noarch
distributor ID: Ubuntu
Description:    Ubuntu 20.04.2 LTS
Release:    20.04
Codename:   focal

和

$ python
Python 3.8.5 (default,Jan 27 2021,15:41:15) 
[GCC 9.3.0] on linux
Type "help","copyright","credits" or "license" for more @R_526_4045@ion.
>>> import torch
>>> torch.__version__
'1.8.1+cu111'
>>> import detectron2
>>> detectron2.__version__
'0.4'
>>> from detectron2 import _C

和：

$ python -m detectron2.utils.collect_env
/home/mona/venv/frank/lib/python3.8/site-packages/torch/cuda/__init__.py:52: UserWarning: CUDA initialization: Unexpected error from cudaGetDeviceCount(). Did you run some cuda functions before calling NumCudaDevices() that might have already set an error? Error 804: forward compatibility was attempted on non supported HW (Triggered internally at  /pytorch/c10/cuda/CUDAFunctions.cpp:109.)
  return torch._C._cuda_getDeviceCount() > 0
No CUDA runtime is found,using CUDA_HOME='/usr'
---------------------  --------------------------------------------------------------------------
sys.platform           linux
Python                 3.8.5 (default,15:41:15) [GCC 9.3.0]
numpy                  1.19.5
detectron2             0.4 @/home/mona/venv/frank/lib/python3.8/site-packages/detectron2
Compiler               GCC 7.3
CUDA compiler          CUDA 11.1
DETECTRON2_ENV_MODULE  <not set>
PyTorch                1.8.1+cu111 @/home/mona/venv/frank/lib/python3.8/site-packages/torch
PyTorch debug build    False
GPU available          False
Pillow                 8.1.0
torchvision            0.9.1+cu111 @/home/mona/venv/frank/lib/python3.8/site-packages/torchvision
fvcore                 0.1.3.post20210311
cv2                    4.5.1
---------------------  --------------------------------------------------------------------------
PyTorch built with:
  - GCC 7.3
  - C++ Version: 201402
  - Intel(R) Math Kernel Library Version 2020.0.0 Product Build 20191122 for Intel(R) 64 architecture applications
  - Intel(R) MKL-DNN v1.7.0 (Git Hash 7aed236906b1f7a05c0917e5257a1af05e9ff683)
  - OpenMP 201511 (a.k.a. OpenMP 4.5)
  - NNPACK is enabled
  - cpu capability usage: AVX2
  - Build settings: BLAS_INFO=mkl,BUILD_TYPE=Release,CUDA_VERSION=11.1,CUDNN_VERSION=8.0.5,CXX_COMPILER=/opt/rh/devtoolset-7/root/usr/bin/c++,CXX_FLAGS= -Wno-deprecated -fvisibility-inlines-hidden -DUSE_PTHREADPOOL -fopenmp -DNDEBUG -DUSE_KINeto -DUSE_FBGemm -DUSE_QNNPACK -DUSE_PYTORCH_QNNPACK -DUSE_XNNPACK -O2 -fPIC -Wno-narrowing -Wall -Wextra -Werror=return-type -Wno-missing-field-initializers -Wno-type-limits -Wno-array-bounds -Wno-unkNown-pragmas -Wno-sign-compare -Wno-unused-parameter -Wno-unused-variable -Wno-unused-function -Wno-unused-result -Wno-unused-local-typedefs -Wno-strict-overflow -Wno-strict-aliasing -Wno-error=deprecated-declarations -Wno-stringop-overflow -Wno-psabi -Wno-error=pedantic -Wno-error=redundant-decls -Wno-error=old-style-cast -fdiagnostics-color=always -faligned-new -Wno-unused-but-set-variable -Wno-maybe-uninitialized -fno-math-errno -fno-trapping-math -Werror=format -Wno-stringop-overflow,LAPACK_INFO=mkl,PERF_WITH_AVX=1,PERF_WITH_AVX2=1,PERF_WITH_AVX512=1,TORCH_VERSION=1.8.1,USE_CUDA=ON,USE_CUDNN=ON,USE_EXCEPTION_PTR=1,USE_GFLAGS=OFF,USE_GLOG=OFF,USE_MKL=ON,USE_MKLDNN=ON,USE_MPI=OFF,USE_Nccl=ON,USE_NNPACK=ON,USE_OPENMP=ON,

解决方法

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